12
21
21
17
21
15
21
21
21
16
21
21
16
21
21
18
21
13
20
15
21
16
21
21
16
18
16
16
21
21
21
21
20
18
20
21
16
21
17
20
13
15
21
21
20
21
17
21
21
21
21
21
21
20
20
20
20
20
21
21
21
20
9
15
21
21
21
21
20
20
17
21
20
21
21
16
20
20
18
21
21
18
21
21
16
16
21
21
16
21
21
18
16
16
21
21
21
15
21
21